Seaplace Is Located On West Side Of Gulf Of Mexico Dr. After The Guard House (Main Entrance Southside Of The Complex), Go To The First Building On The Right. Supra Lockbox Is On The Right Side Of The Door. #311 Is On The South Side Of The Building / Corner Unit Seaplace Gate (For Gps): 1937 Gulf Of Mexico Drive Longboat Key, Fl 34228 Seaplace Office Also In 2045 (M1)